![mesopelagic mesopelagic](https://www.tekportal.net/wp-content/uploads/2018/12/mesopelagic.jpg)
adjective Oceanography.
- of, relating to, or living in the ocean at a depth of between 600 feet (180 meters) and 3000 feet (900 meters).
adjective
- of, relating to, or inhabiting the intermediate depths of the ocean between approximately 100 and 1000 metres